Hex #aa5a99 or rgb(170,90,153) in RGB space is the tint of crimson. It has hue angle of 312.75 degrees, value = 67 and saturation = 47. #aa5a99 can be obtained by mixing 4 colors: 5 drops of magenta, 1 drop of blue, 5 drops of white, 4 drops of black.
Nearest safe hex - #996699. Below you can see the block with #aa5a99 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #aa5a99 to the mixer and play with it.